US Bridges

I-25 Sbl over Spikey Arroyo

Fair

Socorro County, New Mexico · 19.4 N Sierra/Socorro Cl · Structure no. 000000000007672

Built
1981
44 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
6,438
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over Spikey Arroyo is a prestressed concrete continuous stringer/multi-beam or girder carrying I-25 Sbl over Spikey Arroyo in Socorro County, New Mexico. It was built in 1981, so it is 44 years old, younger than the New Mexico average of 51.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,438 vehicles a day, roughly 45% of them trucks, projected to reach 8,755 by 2043. The structure is 112 ft (34.1 m) long and 44 ft wide.

Location

Open in Google Maps
CarriesI-25 Sbl
CrossesSpikey Arroyo
Location19.4 N Sierra/Socorro Cl
RouteInterstate 25
CountySocorro County
StateNew Mexico
Coordinates33.69923, -107.05324
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating33.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length112 ft (34.1 m)
Longest span38 ft (11.6 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,438 (2023)
Projected traffic8,755 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Sbl over Spikey Arroyo built?

It was built in 1981, making it 44 years old in 2025.

What condition is I-25 Sbl over Spikey Arroyo in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does I-25 Sbl over Spikey Arroyo carry?

About 6,438 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Sbl over Spikey Arroyo?

The structure is 112 ft (34.1 m) long with a longest span of 38 ft (11.6 m) and a deck 44 ft wide.

Who owns I-25 Sbl over Spikey Arroyo?

It is owned by the State Highway Agency.